lethaladjective
uk/ˈliː.θəl/us/ˈliː.θəl/C2 able to cause or causing death; extremely dangerous:
Three minutes after the fire started, the house was full of lethal fumes.
In the car the police found guns, knives, and other lethal weapons (= weapons that can kill).
A 59-year-old man was executed by lethal injection (= by having a poisonous substance put into his body) this morning.
informal That combination of tiredness and alcohol is lethal (= has a very bad effect).
Thesaurus: synonyms and related words
Killing
- assisted suicide
- commit suicide idiom
- decimation
- do for sb/sth
- drown
- early
- electrocute
- end it (all) idiom
- fatal
- finish
- hara-kiri
- immolate
- killer
- life-threatening
- mercy killing
- mortally
- shooting
- slaughterhouse
- suicide
- terminal
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You can also find related words, phrases, and synonyms in the topics:
Dangers and threats
lethally
adverb uk/ˈliː.θəl.i/us/ˈliː.θəl.i/